Wednesday, 15 May 2019

Buying Your First Loose Diamond – Is Diamond Fluorescence Important


We are sure you know by now that the 4Cs are the most important aspects to buying a loose diamond. The cut, color, clarity and carat of the loose diamond you finally decide to purchase are what will determine how bright and of what quality it is. But have you ever thought if diamond fluorescence is something that you would like to consider while buying your loose diamond? Here is everything you need to know about diamond fluorescence.


What is diamond fluorescence?
Fluorescence is a diamond’s tendency to release a subtle glow when subjected to ultraviolet (UV) rays from maybe the sun or a fluorescent lamp. Only about 25 percent to 30 percent of diamonds fluoresce to some degree. This glow that a diamond emits is usually a very subtle blue, but on rare occasions it can also glow different colors like green, yellow or red. The GIA (Geological Institute of America) grades a diamond’s fluorescence by its intensity – None, Faint, Medium, Strong and Very Strong.

Can fluorescence affect the diamond’s color?
This is a good question to ask while you are buying a loose diamond. Fluorescence can at times improve the color of a diamond. The blue fluorescence can make a yellowish diamond look brighter and more colorless under UV light, like daylight. However, a strong/very strong blue fluorescence can make your diamond look hazy and milky, rather than sharp and clear. 

A medium blue fluorescence or a faint blue fluorescence usually doesn't have any adverse effect on a diamond's appearance. Not all diamonds with a very strong blue fluorescence look hazy but they may sell for a lesser price than the ones with no blue fluorescence due to market perception.  These little details are important to keep in my mind when investing in a loose diamond with fluorescence.

Can a non-professional tell the difference between a diamond with fluorescence and one without?
In a study done by the GIA (Gemological Institute of America) about the effects of blue fluorescence on the appearance of a diamond, they found that the blue fluorescence has an unnoticeable effect on diamonds of the colorless and near-colorless grades. 

Should I buy a loose diamond with fluorescence?
Many factors go into the effects of fluorescence on the appearance of the loose diamond you buy. It depends on what color grade your stone is, how has the diamond been cut and whether the diamond is viewed in natural or artificial light. You would have to consider many things and then as a whole, decide if a fluorescent diamond is something you would like to invest in. The one thing you can do whether you buy the diamond online or in a store - ask a gemologist for an opinion. We have a team of gemologists who looks at each and every diamond we sell. We would give our unbiased opinion about a fluorescent diamond before offering it to you. 

Overall, diamond fluorescence should not be your biggest concern or focus when picking a loose diamond. The effects of blue fluorescence are subjective and also relatively unnoticeable. In the end, what matters the most is that you should love the diamond that you buy. There are no hard rules! We would love to help you find a diamond perfect for you. Give us a call on 1-866-522-2539 or initiate a chat on www.b2cjewels.com. 

Location: New York, NY, USA

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